What was found
FWD CARGO PIT R/H TRANSITION PANEL STARTING AROUND STA 500C AND CONTINUING AFT TO REAR BULKHEAD PANEL HAS NUMEROUS AREAS OF CORROSION, GROUNDED - YES. BLENDED AWAY CORROSION ORIGINAL THICKNESS .040, MAT. LOSS AT GREATEST .009, NEW THICKNESS AT LOWEST .031, AREAS OUT OF LIMITS PER B737-MAX9 SRM 53-00-53-1A-2. COMPLETED AND INSTALLED REPAIR PER B737-MAX9 SRM 53-00-53-2R-5, SRM 51-40-02 AND BDWG 143A7500.